Cameron Diaz

Elizabeth Halsey

Jason Segel

Russell Gettis

Justin Timberlake

Scott Delacorte

Lucy Punch

Amy Squirrel

John Michael Higgins

Principal Wally Snur

Phyllis Smith

Lynn Davies

Thomas Lennon

Carl Halabi

Kaitlyn Dever

Sasha Abernathy

Eric Stonestreet

Kirk

Molly Shannon

Melody (Garrett's Mom)

Dave Allen

Sandy Pinkus

Matthew J. Evans

Garrett Tiara

Jillian Armenante

Ms. Pavicic

Kathryn Newton

Chase Rubin-Rosse

Igal Ben Yair

Arkady

Aja Bair

Devon (Chase's Friend)

Andra Nechita

Gaby

Noah Munck

Tristan

FINNEAS

Spencer

Daniel Castro

Rodrigo (Acne Kid)

Adrian Kali Turner

Shawn

Paul Bates

School Superintendent

Jeff Judah

Janitor

Nat Faxon

Mark

Stephanie Faracy

Mrs. Pubich

David Paymer

Doctor Vogel

Alanna Ubach

Angela

Christine Smith

Danni

Paul Feig

Dad at Carwash

Deirdre Lovejoy

Sasha's Mother

Melvin Mar

Male Teacher (Bathroom)

Rose Abdoo

School Secretary

Jerry Lambert

Morgan's Dad

Jennifer Irwin

Chase's Mom

Christopher Rockwell

Chase's Dad

David Doty

Armando the Homeless Guy

Rick Overton

Philip

Danny Trapp

Cowboy at Palace

Matt Besser

Abraham Lincoln (Tour Guide)

Lee Eisenberg

Blacksmith (Re-Enactor)

Bruno Gunn

Police Officer

Jordan Van Vranken

Crying Girl

Kadee Noel Brown

Student in Elizabeth's Class (uncredited)

Jennifer Holloway

Sheila (uncredited)

Christina Gabrielle

8th Grade Student (uncredited)